Pipe-molding apparatus



(No Model.)

F. SHIGKL'B.

PIPE MOLDING APPARATUS.

PatentedAug. 1.1882.

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UNITED STATES PATENT OEEICE.

FREDERICK ASHICKLE, OF ST.V LOUIS, MISSOURI.

PIPE-MOLDING APPARATUS.

SPECIFICATION formingpart of Letters Patent No. 261,962, dated August 1, 1882.

Application tiled May 26, 1882. (No model.)

To all whom tt may concern v Be it known that I, FREDERICK SHroKLE, ot' St. Louis, Missouri, have made a new and useful Improvement in Pipe-Molding Apparatus, of which the following is a full, clear, and exact description, reference being had to the annexed drawings, making part of this specification, in which- Figure l is a side elevation, halt' in section, of a pipe-molding flask having the improvement; Fig. 2, a vertical section ot the lower end of the flask, and Fig. 3 a horizontal seetiou taken on the line 3 3 of Fig. 1.

The same letters denote the same parts.

The present invention relates to that portion of the flask used in forming the bead upon the4 pipe.

A represents a pipe-mwolding flask of the usual kind, saving as modified by the present improvement. B represents the flask-bottom. C represents the bead-ring. rlhe chamber used in casting the bead is formed partly in the bead-ring and partly in the desk-bottom, the bead-ring `being shaped out at c to form the upper portion of the bead, and the flask-bottom being shaped out at b to form the lower portion of the bead and the bead-ring and ilasklbottom being relatively arranged to properly complete the chamber. The pipel) is east and the bead d formed in the usual manner, the metal, in casting, being sustained by the flask-bottom. As in time that portion, B', ot' the llask-bottom upon which the metal, in bein g poured into the flask, immediately strikes is liable to wear, it is'made detachable from the main portion of the flask-bottom, and'when worn it may, by removing the nuts b' b', or'

The bead-ring O, when com- 

